CVE-2026-79619 : 詳細

CVE-2026-79619

2026-08-26
13h19 +00:00
Authorization problems
A01-Broken Access Control
2026-08-28
15h24 +00:00
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CVE の説明

On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrative operations (eg create, import, destroy), pool event log access (zpool events) and fault injection (zinject). Exploiting the problem requires only that the local user is permitted to open /dev/zfs (governed by local device permissions) and that the kernel permits unprivileged user namespace creation. No prior access to the target pool or its underlying devices is needed.

CVE の情報

関連する弱点

CWE-ID 弱点名 出典
CWE-863 Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

参考資料